7.5
HIGH
CVE-2020-7793
Apple Ua-Parser-js Regular Expression Denial of Service
Description

The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info).

INFO

Published Date :

Dec. 11, 2020, 2:15 p.m.

Last Modified :

Sept. 13, 2022, 9:23 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-7793 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-7793 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ua-parser-js_project ua-parser-js
1 Siemens sinec_ins
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-7793.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf Third Party Advisory
https://github.com/faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18 Patch Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387 Exploit Third Party Advisory
https://snyk.io/vuln/SNYK-JS-UAPARSERJS-1023599 Exploit Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

List of RegEx DoS (ReDoS) CVEs and resources

security awesome redos regex dos regex-dos pentesting awesome-list regex-security

Updated: 4 months, 3 weeks ago
23 stars 2 fork 2 watcher
Born at : June 10, 2021, 1:57 a.m. This repo has been linked 76 different CVEs too.

A list of CVE's with Proof of Concepts

JavaScript HTML Python

Updated: 5 months, 3 weeks ago
10 stars 2 fork 2 watcher
Born at : April 14, 2021, 7:12 a.m. This repo has been linked 20 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-7793 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7793 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Sep. 13, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf Third Party Advisory
    Removed CWE NIST CWE-400
    Added CWE NIST NVD-CWE-Other
    Added CPE Configuration OR *cpe:2.3:a:siemens:sinec_ins:*:*:*:*:*:*:*:* versions up to (excluding) 1.0 *cpe:2.3:a:siemens:sinec_ins:1.0:-:*:*:*:*:*:* *cpe:2.3:a:siemens:sinec_ins:1.0:sp1:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Sep. 13, 2022

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 16, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Changed Reference Type https://github.com/faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18 No Types Assigned https://github.com/faisalman/ua-parser-js/commit/6d1f26df051ba681463ef109d36c9cf0f7e32b18 Patch, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388 Exploit, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387 No Types Assigned https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387 Exploit, Third Party Advisory
    Changed Reference Type https://snyk.io/vuln/SNYK-JS-UAPARSERJS-1023599 No Types Assigned https://snyk.io/vuln/SNYK-JS-UAPARSERJS-1023599 Exploit, Third Party Advisory
    Added CWE NIST CWE-400
    Added CPE Configuration OR *cpe:2.3:a:ua-parser-js_project:ua-parser-js:*:*:*:*:*:node.js:*:* versions up to (excluding) 0.7.23
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-7793 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-7793 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.27 }} 0.03%

score

0.63879

percentile

CVSS31 - Vulnerability Scoring System
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